kullwarrior Posted July 13, 2012 Report Share Posted July 13, 2012 But that brass spring cannot be thicker. because C-ring and brass spring tightly fits in its slot. Thickness of brass spring is 0.3mm. Measured with Mitutoyo digital calipers. Maybe spring-steel made one would be nice? My father and my brother are Engineers (one's in physic other in mechanical) both agreed that the design it self will not last long even if you use tungsten. They stated that it put too much strain on the bridge between the clip and the arm. It's a matter of bending the arm and trying it until you get the desired range of hop. Yeah, I tried that, doing so will work for like 200-1000 rounds before it breaks out again. Long story short. KSC screw up on this. They should've just use a nub like ball bearing design instead of this lever. Link to post Share on other sites
FireKnife Posted July 16, 2012 Report Share Posted July 16, 2012 Hmm, this sounds good to me, finally a CZ75 that can run with my TM's, if only it didn't mean that i had to buy the kit as an extra and they came with this as standard. 'FireKnife' Link to post Share on other sites
hwagan Posted July 16, 2012 Report Share Posted July 16, 2012 Long story short. KSC screw up on this. They should've just use a nub like ball bearing design instead of this lever. A ball bearing has no place in a hop system anywhere, a sphere pressing down on a sphere is just a bad idea... I've never been able to get a KSC hop to a woodland useful degree of accuracy - Personally I'd rather have to bend the spring once every few games than not hit anything Link to post Share on other sites
uscmCorps Posted July 16, 2012 Report Share Posted July 16, 2012 Long story short. KSC screw up on this. They should've just use a nub like ball bearing design instead of this lever. So you're saying you prefer the older KSC M4 style hop up over the new LM4 style hop up? Link to post Share on other sites
FireKnife Posted July 16, 2012 Report Share Posted July 16, 2012 See this is what i don't get, if it works for Marui then why can't KSC just admit it, copy it and it will work. Everyone copies everyone else so why be so prissy about it? 'FireKnife' Link to post Share on other sites
volante Posted July 16, 2012 Author Report Share Posted July 16, 2012 Some of above are think this new hop design comes as standard. For few models, that's true. But if someone wants new hop for his old ball-bearing equipped system7 pistol, he has to buy Japan version system7 pistol for over 200usd+shipping from Japan. Not from Fire support or WGC. Many people in high spec laptop forum(such as Alienware) bought HD7970m MXM graphic card to replaced their old card(6970m mostly). Of course, this 'HD7970m' comes as standard when they buy new laptop. And new GPUs are tend to be unstable than old one because driver is not fully finished. But 7970 is better than 6970 isn't it? Someone that can says 'new hop design come as standard' must be a very rich man that can regard $200 pistol as disposable paper cup. What KSC have done is to apply TM's hop principle on their hop housing with minimum parts change. Yes it may needs continuous manage but i think, System7 pistols with new hop reached nearest to perfection. Link to post Share on other sites
emp3ror86 Posted July 16, 2012 Report Share Posted July 16, 2012 I discovered why KSC did not have Nr. 84 in stock for months. Check out the KSC CQB-R review topic! Link to post Share on other sites
uscmCorps Posted July 16, 2012 Report Share Posted July 16, 2012 I'm gonna order some of these barrel sets to try for myself. Gotta get a first hand opinion! Link to post Share on other sites
dannyeprice23 Posted July 16, 2012 Report Share Posted July 16, 2012 Keep us posted Link to post Share on other sites
ollie_ty Posted July 17, 2012 Report Share Posted July 17, 2012 Im annoyed that mine isnt here yet. Parcel Force are useless. Link to post Share on other sites
bankz5152 Posted August 2, 2012 Report Share Posted August 2, 2012 Hey Volante, Any news on an MP7 version? If this ups the current range I will be extremely happy and will probably sell everything else and stick an Elcan Spectre 1 - 4x on it! Link to post Share on other sites
amateurstuntman Posted August 3, 2012 Report Share Posted August 3, 2012 *cough* MP9 *cough* Link to post Share on other sites
PureSilver Posted March 19, 2013 Report Share Posted March 19, 2013 I just bought one of these for my new SP2022 without making the connection to Volante on this board - but anyway, back to the top! I shall update this thread with how the upgrade goes. Link to post Share on other sites
ardo Posted March 20, 2013 Report Share Posted March 20, 2013 Has anyone tried this kit while shooting at close range? I have a KWA KZ75 I bought last month for practicing IPSC. I find the accuracy to be dismal: about 10cm (4") group size at 6-7m (7-8yards), which is the distance I normally shoot at. The point of impact is also about 10cm higher than the point of aim, even with .28g BBs. I wouldn't mind spending $45 if this would make my KZ75 usable for IPSC training. Link to post Share on other sites
Horsem4n Posted March 20, 2013 Report Share Posted March 20, 2013 you try turning the hop up off? Link to post Share on other sites
ardo Posted March 20, 2013 Report Share Posted March 20, 2013 Yes, that's the first thing I tried. Failing that, I removed the ball bearing. This helped a bit. I then molded a bit of plastic putty to cover barrel's hop up window, and shaved off the mound on the inside of hop up rubber. This turned the hop up off for good, but it still shoots about .5" high. I could live with that but the group size didn't improve. Sorry, don't mean to hijack the thread, just wanted to know if anyone uses this kit for shooting close targets accurately. Link to post Share on other sites
volante Posted March 20, 2013 Author Report Share Posted March 20, 2013 I'm trying to make hop kit for MK23 and USP match(because KSC don't make new hop barrel for them) but making inner barrel is quite hard : ( I have to manufacture more than 1000 barrel with tolerance +-0.05, and measure their inner diameter one by one to get usable barrels in good price. I think 6.03~6.06 is good, so probably 50% of manufactured barrels will be go to trashcan. And there is new package! This new package cost about 10 times more than plastic bag but as it looks better and more durable. PC cylinder is 1.5mm thick and there are two cotton balls at each end of package to protect item. And these are my current projects I can't show you large picture as it has to be in secret. New very powerful blowback unit for gas pistols.(drop-in for most slides) It can run steel slide without problem using green gas.(I hate CO2) First one will be for TM 1911, Hi-capa line ups and P226, KSC pistols will be next. Link to post Share on other sites
bankz5152 Posted March 20, 2013 Report Share Posted March 20, 2013 Thats pretty exciting. Very interested in these bbus... Link to post Share on other sites
Wild_XIII Posted March 21, 2013 Report Share Posted March 21, 2013 Volante, any news on the MP9 hop kits? Link to post Share on other sites
Kratisto Posted March 21, 2013 Report Share Posted March 21, 2013 Volante, why do you hate CO2? It's difficult or illegal to use in airsoft guns in Korea? CO2's properties makes it very useful in cold climates, more consistent and powerful for guns with heavy steel slides. Link to post Share on other sites
volante Posted March 21, 2013 Author Report Share Posted March 21, 2013 Volante, why do you hate CO2? It's difficult or illegal to use in airsoft guns in Korea? CO2's properties makes it very useful in cold climates, more consistent and powerful for guns with heavy steel slides. 1. Using Co2 cartridge cost a lot more than using propane. 2. Co2 cartridge contains less gas than normal magazines. 3. some pistols(KWA and WA pistols) don't need Co2 mag to operate steel slide in low temperature. 4. Co2 mags are ugly. 5. It's illegal in my country. It's just my personal appetite. Not suggesting to ban Co2 mags. Link to post Share on other sites
Kratisto Posted March 21, 2013 Report Share Posted March 21, 2013 Fair enough But I don't agree with points 2 and 3... I've yet to see a GBB powered by propane/green gas being able to function properly at near 0ºC, or the same number of shots per magazine refill... Have you considered the use of propylene? People experimenting with it are reporting better performance than propane, just a dozen more PSIs, but compatible with existing magazine designs. Link to post Share on other sites
bankz5152 Posted March 21, 2013 Report Share Posted March 21, 2013 Ive tested propene but the AI adaptor gets stuck alot.. Sent from my GT-I9300 using Tapatalk 2 Link to post Share on other sites
ollie_ty Posted March 21, 2013 Report Share Posted March 21, 2013 Wild, hold fire on that MP9 kit, I MAY be posting a guide on ramming a TM pistol hopup into the MP9 shortly (If it works lol!) EDIT: I'd just like to point out i'll be taking a more technical approach than 'ramming'. Link to post Share on other sites
hwagan Posted March 21, 2013 Report Share Posted March 21, 2013 Wild, hold fire on that MP9 kit, I MAY be posting a guide on ramming a TM pistol hopup into the MP9 shortly (If it works lol!) EDIT: I'd just like to point out i'll be taking a more technical approach than 'ramming'. If you pull this off, I will send you a printed, laminated certificate for being a proper G in the post. Seriously. Link to post Share on other sites
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